Also regulation has massively increased. There are tons of laws you might accidentally break as an early startup without even knowing it, and there are tons of laws that restrict entry into the marketplace through a high legal compliance burden.
Imagine trying to create Facebook today. With 3 employees and a few hundred users, what's your anti-CSAM strategy? What are the laws about who is responsible if some ends up on your platform, and how you need to handle it? Ask your $500 per hour lawyer. I'll wait.
Imagine trying to create Paypal today. Oh, wait, you need something like a million or more dollars to even operate.
https://www.amazon.com/Captured-Economy-Powerful-Themselves-...